| Relationships | Role | Relationship Start | Relationship End |
| Banc One Illinois Corporation | Parent | 5/4/1993 | 2/14/1997 |
| First Community Bancorp, Inc. | Parent | 8/2/1982 | 5/3/1993 |
| Northern Illinois Development Corporation | Subsidary | 5/3/1993 | 2/14/1997 |
| First Rockford Community Development Corporation | Subsidary | 8/2/1982 | 12/1/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Illinois, National Association | Buyer | 4,732,793 | Pooling of Interests | Discontinued | 2/15/1997 |
| First Bank Of Loves Park | Seller | 53,322 | Discontinued | 5/3/1993 | |
| First Bank Of Roscoe | Seller | 44,582 | Discontinued | 5/3/1993 | |
| First Community National Bank | Seller | 116,078 | Discontinued | 5/1/1990 |